.Resistor. (id: 7190e392b)

本题目来源于试卷: .Resistor.，类别为 美国物理杯赛(Physics Bowl)

[单选题]
99.40: Three different resistors R1, R2 andR3 aren mtzl/6n3bvpxqp .6 /rnrf i;bp30/k connected in paralj7v vdy8b) e7klel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the curd78vvb)eykj 7rent in R3?

A. 0.33A
B. 0.5A
C. 2A
D. 3A
E. 12A


参考答案:  D


本题详细解析: 暂无

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